In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability…
Priority MEDIUM 46CWE-502Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-502.
Summary
In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis,may be vulnerable to remote code execute
Why it matters now
EPSS 0.0182 78th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | com.jfinal:jfinal (Maven) | up to 4.9.08 | — | No fix listed | GHSA-h3j8-fr5q-8rfr |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- com.jfinal:jfinal (Maven) Vendor— Affected up to 4.9.08 Fixed in — No fix listed GHSA-h3j8-fr5q-8rfr
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-31649
- 2026-10-03 Alias added: GHSA-h3j8-fr5q-8rfr
References
Exploit 2
More Jfinal vulnerabilities
- TI-2021-11722 Server-Side Template Injection (SSTI) vulnerability in jFinal v.4.9.08 allows a remote… CVSS 3.1CRITICAL 9.8
- TI-2019-12950 In JFinal cos before 2019-08-13, as used in JFinal 4.4, there is a vulnerability that can… CVSS 3.1HIGH 7.5
- TI-2021-12815 An issue was discovered in JFinal framework v4.9.10 and below. CVSS 3.1MEDIUM 6.1
Sources
- CVE-2021-31649 · CVE Program
- CVE-2021-31649 · NVD
- FIRST EPSS
- GHSA-h3j8-fr5q-8rfr · GitHub Advisory Database · CC BY 4.0
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